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| details | Early Namurian A | Poland | DybovЎ-Jachowiczowa,S. Miospore stratigraphy of the upper part of the Hrusov Beds in the vicinity of Szombierki (Upper Silesia). | 1975 | |
| details | Nd | Nd | Turnau,E. On some Carboniferous microspore species of the genus Brachytrilistrium Naumova 1937. | 1967 |